Preparation method and application of polyvinyl alcohol nonwoven fabric finishing agent
A polyvinyl alcohol, non-woven technology, applied in fiber processing, textiles and papermaking, improved hand-feeling fibers, etc., can solve certain limitations in the application field, low efficiency of polyvinyl alcohol non-woven fabrics, and poor heat sealing. performance and other issues, to achieve the effect of improving mechanical properties, strengthening overall performance, and improving elongation at break
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Embodiment 1
[0040] The padding finishing of polyvinyl alcohol nonwoven fabric specifically comprises the following steps:
[0041] (1) The impregnating finishing agent for finishing includes the following components in parts by weight (see Table 1):
[0042] Table 1
[0043]
[0044]
[0045] After measuring the materials in the above components, add them to a dissolution vessel with a heating jacket, raise the temperature to 95°C under stirring (50 rpm), mix and dissolve for 4 hours, and keep warm at 90°C for 30 minutes, then cool down to room temperature Discharge is standby, is the finishing agent of a kind of polyvinyl alcohol non-woven fabric of the present invention;
[0046] (2) Specification of polyvinyl alcohol non-woven fabric for finishing: 28g / m 2 ;
[0047] (3) padding finishing process (see figure 1 ): release the polyvinyl alcohol non-woven fabric by the unwinding roller 1-1, enter the impregnation tank 1-2 filled with the finishing agent of embodiment 1 through t...
Embodiment 2
[0053] The padding finishing of polyvinyl alcohol nonwoven fabric specifically comprises the following steps:
[0054] (1) The impregnating finishing agent for finishing includes the following components in parts by weight (see Table 3):
[0055] table 3
[0056]
[0057] After measuring the materials in the above components, add them to the dissolution container with a heating jacket, raise the temperature to 95°C under stirring (50 rpm), mix and dissolve for 2 hours, and keep warm at 90°C for 30 minutes, then cool down to room temperature The material is ready for use. It is a finishing agent for polyvinyl alcohol non-woven fabrics of the present invention;
[0058] (2) Specification of polyvinyl alcohol non-woven fabric for finishing: 15g / m2;
[0059] (3) padding finishing process (see figure 1 ): release the polyvinyl alcohol non-woven fabric by the unwinding roller 1-1, enter the impregnation tank 1-2 that the finishing agent of embodiment 2 has been adorned throug...
Embodiment 3
[0066] The padding finishing of polyvinyl alcohol nonwoven fabric specifically comprises the following steps:
[0067] (1) The impregnation finishing agent for finishing includes the following components in parts by weight (see Table 5):
[0068] table 5
[0069]
[0070] After measuring the materials in the above components, add them into the dissolution container with a heating jacket, heat up to 95°C under stirring (50 rpm), mix and dissolve for 3 hours, and keep warm at 90°C for 30 minutes, then cool down to room temperature The material is ready for use. It is a finishing agent for polyvinyl alcohol non-woven fabrics of the present invention;
[0071] (2) Specification of polyvinyl alcohol non-woven fabric for finishing: 10g / m2;
[0072] (3) padding finishing process (see figure 1 ): release the polyvinyl alcohol non-woven fabric by the unwinding roller 1-1, enter the impregnation tank 1-2 filled with the finishing agent of embodiment 3 through the guide roller, fu...
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